<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>文档事件源</title>
		<script src="../js/jquery-1.11.1.js"></script>
		<script>
			$(document).ready(function(){
				
			$("button").click(function(){
			  $("div").css({"width":"200px",
			                "height":"200px",
			              "background-color":"#55ffff",
			  });	
			});
			});
		</script>
	</head>
	<body>
    <button>按钮</button>		
     <div></div>
	</body>
</html>